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Fontes de Micronutrientes - Adubos e Adubações

Fontes de Micronutrientes - Adubos e Adubações

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Teor <strong>de</strong> B (mg kg -1 )<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

a<br />

a<br />

ab<br />

ab<br />

ab<br />

ab<br />

ab<br />

ab<br />

Efeito das fontes <strong>de</strong> B (mg kg -1 ),<br />

plantas <strong>de</strong> SOJA – 2 o cultivo<br />

b<br />

b<br />

ab<br />

ab<br />

10<br />

0<br />

Ácido<br />

bórico<br />

Fonte: Tese doutorado, Esalq -<br />

Fabio Vale, 2001<br />

Borogran<br />

Colemanita Gran-o-bor<br />

FONTES <strong>de</strong> BORO<br />

MIB - 4<br />

Ulexita

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